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Retention and Attrition of Youth Blood Donors: A Machine Learning-Based Intervention Study

Retention and Attrition of Youth Blood Donors: A Machine Learning-Based Intervention Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600129516
Enrollment
Unknown
Registered
2026-08-05
Start date
2026-08-05
Completion date
Unknown
Last updated
2026-08-10

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None

Interventions

Online Comprehensive Intervention Group (Study 2):Online intervention: Participants were shown blood donation intervention materials in a WeChat group.
Standard SMS intervention group (Study 2):Send the intervention content to participants via text message
Control group(Study 2):Send a text message reminder to donate blood
Observation Group (Study 1):None

Sponsors

Blood Center of Zhejiang Province
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 35 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18–35; 2. Have donated blood at least once in the past three years; 3. Meet the eligibility criteria for blood donation; 4. Provide informed consent.

Exclusion criteria

Exclusion criteria: 1. Has successfully donated blood within the past year; 2. Does not understand Chinese.

Design outcomes

Primary

MeasureTime frame
Repeated blood donation intention;Repeated blood donation behavior;—

Secondary

MeasureTime frame
self-efficacy;Outcome expectation;Donation Attitude;Perceived behavioral control;Subjective norms;—

Countries

China

Contacts

Public ContactHu Huahua

Blood Center of Zhejiang Province

huahuahu@link.cuhk.edu.hk+86 135 6033 0634

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 25, 2026